Brushy Basin 3 (Jurassic of the United States)

Also known as Montezuma Creek

Where: Utah (37.3° N, 109.4° W: paleocoordinates 33.0° N, 55.7° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Brushy Basin Member (Morrison Formation), Late/Upper Jurassic (163.5 - 145.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; mudstone

Size classes: macrofossils, microfossils

Preservation: adpression

Collection methods: bulk, surface (float), surface (in situ), chemical, mechanical,

Primary reference: S. Ash. 1994. First occurrence of Czekanowskia (Gymnospermae, Czekanowskiales) in the United States. Review of Palaeobotany and Palynology 81:129-140 [A. Rees/D. Sunderlin/D. Sunderlin]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 24799: authorized by Allister Rees, entered by Dave Sunderlin on 20.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

 Pinales - Podocarpaceae
Microcachrydites sp. Cookson 1947
 Pinales - Araucariaceae
Araucariacites fissus Reiser and Williams 1969
 Pinales -
 Czekanowskiales -
 Gymnospermophyta -